package main

import (
	"fmt"

	"github.com/go-pg/pg"
	"github.com/pkg/errors"
)

type DB struct {
	PgDB   *pg.DB
	Schema string
}

func Setup(db *DB) error {
	_, err := db.PgDB.Exec(`CREATE SCHEMA IF NOT EXISTS users`)
	if err != nil {
		return errors.Wrap(err, "Error creating schema")
	}

	_, err = db.PgDB.Exec(`CREATE TABLE IF NOT EXISTS users.users (
		uid UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
		username varchar(64) UNIQUE NOT NULL,
		email varchar(100) UNIQUE NOT NULL,
		password varchar(256) NOT NULL
	)`)
	if err != nil {
		return errors.Wrap(err, "Error creating users table")
	}
	return nil
}

func UserAdd(db *DB, username, email, pwhash string) error {
	stmt, err := db.PgDB.Prepare("INSERT INTO users.users VALUES ($1, $2, $3)")
	if err != nil {
		panic("Bad statement in UserAdd")
	}
	_, err = stmt.Exec(username, email, pwhash)
	if err != nil {
		return errors.Wrapf(err, "Error adding user `%s`", email)
	}
	return nil
}

func main() {
	fmt.Println("vim-go")
	pgdb, err := pg.Connect(&pg.Options{
		User:     "panel",
		Password: "",
		Database: "feeds",
	})
	if err != nil {
		os.Fprintln(os.Stderr, err)
		os.Exit(1)
	}
	db := DB{PgDB: db}
	db.Setup()
}